Sprinkler head



FIG. 1 is a top perspective view of the present design of a sprinkler head;

FIG. 2 is a top view of the present design of a sprinkler head;

FIG. 3 is a bottom view of the present design of a sprinkler head;

FIG. 4 is a left side elevation view of the present design of a sprinkler head;

FIG. 5 is a right side elevation view of the present design of a sprinkler head;

FIG. 6 is a front elevation plan view of the present design of a sprinkler head; and,

FIG. 7 is a rear elevation plan view of the present design of a sprinkler head. 

The ornamental design for a sprinkler head, as shown and described. 